118421681383 has 8 divisors (see below), whose sum is σ = 118700665776. Its totient is φ = 118142793600.

The previous prime is 118421681377. The next prime is 118421681401. The reversal of 118421681383 is 383186124811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118421681383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118421681363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820303 + ... + 2861983.

It is an arithmetic number, because the mean of its divisors is an integer number (14837583222).

Almost surely, 2^118421681383 is an apocalyptic number.

118421681383 is a deficient number, since it is larger than the sum of its proper divisors (278984393).

118421681383 is an equidigital number, since it uses as much as digits as its factorization.

118421681383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48305.

The product of its digits is 221184, while the sum is 46.

The spelling of 118421681383 in words is "one hundred eighteen billion, four hundred twenty-one million, six hundred eighty-one thousand, three hundred eighty-three".